CN105109329A - ICV structure of fuel tank and forming method of fuel tank of ICV structure - Google Patents
ICV structure of fuel tank and forming method of fuel tank of ICV structure Download PDFInfo
- Publication number
- CN105109329A CN105109329A CN201510596807.0A CN201510596807A CN105109329A CN 105109329 A CN105109329 A CN 105109329A CN 201510596807 A CN201510596807 A CN 201510596807A CN 105109329 A CN105109329 A CN 105109329A
- Authority
- CN
- China
- Prior art keywords
- icv
- fuel tank
- parison
- valve body
- mold halves
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention relates to an ICV structure of a fuel tank and a forming method of the fuel tank of the ICV structure. The ICV structure comprises a valve body. A check valve is connected with the lower end of the valve body, a hose connection end is arranged at the upper end of the valve body, the valve body is provided with a U-shaped groove, a welding surface is arranged on the valve body, and a convex welding line is arranged on the welding surface. By adopting the technical scheme, the special ICV structure and the wall of the fuel tank are connected after the fuel tank is pre-formed by adopting a special method in the blow molding process of the fuel tank, and thus the purposes of higher reliable performances of connection between the ICV and the fuel tank and lower hydrocarbon emissions are achieved.
Description
Technical field
The present invention relates to ICV structure, relate in particular to a kind of ICV structure of fuel tank and the fuel tank forming method of ICV structure is set, belonging to fuel tank manufacturing technology field.
Background technology
The extensive accreditation that automobile plastic fuel tank is lightweight with it, safety performance good, corrosion prevention, shock resistance, long service life and larger Design freedom obtain client.ICV has auxiliary fuel as the connection structure of fuel filler pipe and fuel tank and injects the function that fuel tank stores, conventional plastic fuel tank often needs to punch at the privileged sites of its housing, and then realize the connection of ICV to fuel tank shell by welding process, the connection mode of this kind of traditional ICV structure and ICV and fuel tank shell is easy to the discharge producing very high hydro-carbon in ICV junction, not only increase the pollution to environment, and there is the risk of higher Joint failure leakage of oil in ICV weld.In order to solve this technical problem, those skilled in the art is also in continuous trial, but this problem is never well solved.
Summary of the invention
The present invention is just for the technical matters existed in prior art, a kind of ICV structure of fuel tank is provided and the fuel tank forming method of ICV structure is set, this technical scheme adopts a kind of special method to realize special ICV structure being connected with oil tank wall after fuel tank preforming in the process of fuel tank blow molding, realizes the switching performance of failure-free ICV and fuel tank more and this target of discharge of lower hydro-carbon.
To achieve these goals, technical scheme of the present invention is as follows, the ICV structure of fuel tank, it is characterized in that, described ICV structure comprises valve body, and described valve body lower end is connected with boiler check valve, the upper end of described valve body is provided with sebific duct coupling end, and described valve body is provided with U-type groove.
As a modification of the present invention, described valve body is provided with face of weld, described face of weld is provided with protruding weld bond.The protruding weld bond that the end of ICV structure and side are arranged, for realizing the welding with plastifying fusion parison, fastness is better, better tightness.
As a modification of the present invention, the end face of described U-type groove and side are provided with protruding weld bond.The protruding weld bond arranged, for realizing the welding with plastifying fusion parison, fastness is better, better tightness, this ICV structure is provided with U-type groove, after ICV structure is connected with fuel tank, there is longer infiltration lane, effectively can to reduce when fuel tank uses inner hydro-carbon from the infiltration of joint face, reduce the discharge vaporization numerical value at fuel tank ICV place, make fuel tank meet the requirement of harsher discharge vaporization regulation.
As a modification of the present invention, described protruding weld bond is set to helicitic texture, arranges more convenient shaping and demoulding like this.
As a modification of the present invention, the material of described valve body, boiler check valve, sebific duct coupling end is POM, PA, PPA, and wherein the outermost layer of valve body and sebific duct coupling end is PE.The material of this ICV structure mainly comprises the PE be easy to parison welding, is positioned at the outermost layer of ICV and sebific duct coupling end; Have the material such as POM, PA, PPA compared with high barrier to HC, as the agent structure material of ICV, the material of this ICV arranges the payload space that can reduce HC infiltration discharge.
A fuel tank forming method for ICV structure is set, it is characterized in that, said method comprising the steps of:
1) blanking, the plasticizing parison of two panels melting respectively blanking in two gaps that preforming template and two mold halves are formed;
2) preforming, in preform process, two mold halves and preforming mould plate closing, high pressure blowing simultaneously or the preforming of vacuum forming parison; Make the parison of melting be close to the die cavity inwall of mold halves, begin to take shape inner wall of oil tank;
3) ICV structure and inner wall of oil tank is fixing;
4) two mold halves first times open;
5) in the middle of, preforming template exits in the middle of mold halves,
6) mould secondary closes, and carries out high pressure blowing, the hollow box body of final molding band ICV simultaneously;
7) two mold halves second time are opened, and shift out the hollow box body with built-in ICV of final molding.
As a modification of the present invention, the middle preforming template described in described step 1) is provided with ICV, ICV built-in mechanism and drives cylinder or the hydraulic actuating cylinder of ICV motion; Described mold halves is provided with stamp pin, copper insert and copper insert pedestal, described stamp pin is positioned in the middle of two copper inserts, and described copper insert is arranged on copper insert pedestal.
As a modification of the present invention, comprise the following steps in described step 3): 31) be positioned at the ICV position in the stamp needle-penetration molten parison in mold halves, pierce through perforate; 32) the ICV built-in mechanism in the middle of in preforming template by the interoperation of cylinder or hydraulic actuating cylinder by ICV structure installment in the parison perforate of stamp needle-penetration, realize the preliminary welding of ICV end face and parison; 33) by the U-lag of the copper insert jacking ICV structure on mould, the parison material being in molten condition is extruded further and is adjacent on the protruding weld bond of ICV, thus realize molten parison and the better heat seal strength of ICV; 34) welding of parison and ICV completes, and stamp pin, copper insert and ICV installed with built-in component mechanism all reset.
Relative to prior art, advantage of the present invention is as follows: 1) design of ICV structural entity is ingenious, and compact conformation is practical, cost is lower; 2) end of ICV structure and the protruding weld bond of side setting in this technical scheme, for realizing the welding with plastifying fusion parison, fastness is better, better tightness, 3) this ICV structure is provided with U-type groove, after ICV structure is connected with fuel tank, there is longer infiltration lane, effectively can to reduce when fuel tank uses inner hydro-carbon from the infiltration of joint face, reduce the discharge vaporization numerical value at fuel tank ICV place, make fuel tank meet the requirement of harsher discharge vaporization regulation; 4) the protruding weld bond of this ICV structure is set to helicitic texture, arranges more convenient shaping and demoulding like this; 5) material of this ICV structure mainly comprises the PE be easy to parison welding, is positioned at the outermost layer of ICV and sebific duct coupling end; Have the material such as POM, PA, PPA compared with high barrier to HC, as the agent structure material of ICV, the material of this ICV arranges the payload space that can reduce HC infiltration discharge; 6) whole moulding technique is simple, it is convenient to realize, this technical scheme can effectively control welding quality and size, cost is low, and this connection mode does not need the punching welding sequence again in later stage, thus reduce certain frock cost input, and ensure that the leak tightness of fuel tank, this technical scheme also significantly reduces the discharge of the hydro-carbon of ICV and fuel tank junction simultaneously.
Accompanying drawing explanation
Fig. 1 is blanking view;
Fig. 2 is pre-formed states schematic diagram;
Fig. 3 exposes parison view for stabbing pin;
Fig. 4 is the preliminary as-welded schematic diagram of ICV end face and parison;
Fig. 5 is copper insert jacking parison and the preliminary as-welded figure of ICV;
Fig. 6 is thimble, copper insert, ICV built-in mechanism reset mode schematic diagram;
Fig. 7 is mould open mode schematic diagram;
Fig. 8 is mould secondary mold closing Status view;
Fig. 9 mould is opened, with the hollow box body completed state schematic diagram of ICV;
Figure 10 is ICV structural perspective of the present invention;
Figure 11 is ICV structure cutaway view of the present invention;
Figure 12 is Figure 11 partial enlarged drawing;
Figure 13 is the front cross sectional view of molten parison extruding;
Figure 14 is the cutaway view after ICV structure is connected with fuel tank shell;
In figure: 1, valve body, 2, boiler check valve, 3, sebific duct coupling end, 4, face of weld, 5, U-type groove, 6, helicitic texture, 7, mold halves, 8, middle preforming template, 9, parison, 10, ICV built-in mechanism, 11, cylinder or hydraulic actuating cylinder, 12, ICV, 13, pin is stabbed, 14, copper insert, 15, copper insert pedestal, 16, with the hollow box body of ICV, 17, weld bond.
Detailed description of the invention
In order to deepen the understanding of the present invention and understanding, below in conjunction with the drawings and specific embodiments, the invention will be further described and introduce.
embodiment 1: see Figure 10-12, a kind of ICV structure of fuel tank, described ICV structure comprises valve body 1, described valve body 1 lower end is connected with boiler check valve 2, and the upper end of described valve body 1 is provided with sebific duct coupling end 3, described valve body is provided with U-type groove 5, this U-type groove can be connected to inner side or the outside of molten parison, according to the specific requirement of frock or product, flexible design, is easy to realize.
embodiment 2: see Figure 10-12, as a modification of the present invention, described valve body 1 is provided with face of weld 4, described face of weld 4 is provided with protruding weld bond 17, and described protruding weld bond 17 is set to helicitic texture, arranges more convenient shaping and demoulding like this, the protruding weld bond that the end of ICV structure and side are arranged, realize the welding with plastifying fusion parison, fastness is better, better tightness.
embodiment 3: see Figure 10-12, as a modification of the present invention, the end face of described U-type groove 5 and side are provided with protruding weld bond 17, the protruding weld bond arranged, for realizing the welding with plastifying fusion parison, fastness is better, better tightness, this ICV structure is provided with U-type groove, after ICV structure is connected with fuel tank, there is longer infiltration lane, HC infiltration lane is approximately traditional 6 times, effectively can to reduce when fuel tank uses inner hydro-carbon from the infiltration of joint face, reduce the discharge vaporization numerical value at fuel tank ICV place, fuel tank is made to meet the requirement of harsher discharge vaporization regulation.
embodiment 4: see Figure 10-12, as a modification of the present invention, the material of described valve body 1, boiler check valve 2, sebific duct coupling end 3 is POM, PA, PPA, and wherein the outermost layer of valve body 1 and sebific duct coupling end 3 is PE.The material of this ICV structure mainly comprises the PE be easy to parison welding, is positioned at the outermost layer of ICV and sebific duct coupling end; Have the material such as POM, PA, PPA compared with high barrier to HC, as the agent structure material of ICV, the material of this ICV arranges the payload space that can reduce HC infiltration discharge.
embodiment 5:see Fig. 1-Fig. 9, a kind of fuel tank forming method arranging ICV structure, said method comprising the steps of:
1) blanking, see Fig. 1, the plasticizing parison 9 of two panels melting respectively blanking in two gaps that preforming template 8 and two mold halves 7 are formed; Middle preforming template 8 described in this step is provided with ICV12, ICV built-in mechanism 10 and drives cylinder or the hydraulic actuating cylinder 11 of ICV motion; Described mold halves 7 is provided with stamp pin 13, copper insert 14 and copper insert pedestal 15, described stamp pin 13 is positioned in the middle of two copper inserts 14, and described copper insert 14 is arranged on copper insert pedestal 15.
2) preforming, see Fig. 2, in preform process, two mold halves 7 close with preforming template 8, high pressure blowing simultaneously or the preforming of vacuum forming parison; Make the parison of melting be close to the die cavity inwall of mold halves, begin to take shape inner wall of oil tank;
3) ICV structure and inner wall of oil tank is fixing; Comprise the following steps in described step 3): 31) be positioned at the ICV position in the stamp needle-penetration molten parison in mold halves, pierce through perforate, specifically see Fig. 3; 32) the ICV built-in mechanism 10 in the middle of in preforming template 8 by the interoperation of cylinder or hydraulic actuating cylinder 11 by ICV structure installment in the parison perforate of stamp needle-penetration, realize the preliminary welding of ICV end face and parison, specifically see Fig. 4; 33) see Figure 13,14, by in the U-lag 5 of the copper insert 14 jacking ICV structure on mould, the parison material being in molten condition is extruded further and is adjacent on the protruding weld bond of ICV, thus realize molten parison and the better heat seal strength of ICV, specifically see Fig. 5; 34) welding of parison and ICV completes, and stamp pin 13, copper insert 14 and ICV installed with built-in component mechanism 10 all reset, specifically see Fig. 6;
4) see Fig. 7, two mold halves 7 first times open;
5) in the middle of, preforming template exits in the middle of two mold halves,
6) see Fig. 8, two mold halves secondary closure, carry out high pressure blowing simultaneously, the hollow box body of final molding band ICV;
9) see Fig. 9, two mold halves second time are opened, and shift out the hollow box body with built-in ICV of final molding.
Traditional ICV first punches ICV to be welded on the surface of fuel tank on the oil tank body of cooling forming again, and the technical program by being connected ICV with the carrying out of the parison of perforate in blow-molding process, and utilize the thrust unit on mould and copper insert to get in the U-lag of ICV flange by the parison of melting, realize being connected with the end face of ICV and the melting of side.By the process in the present invention, can not only effectively control welding quality and size, thus significantly reduce the discharge of ICV and oil tank body junction hydro-carbon; And, connection mode in the present invention does not need the operation to the follow-up welding ICV that punches again of in type fuel tank, both simplify production stage to have saved production time and again reduce corresponding punching welding tooling cost and cost of labor, ensure that the leak tightness of fuel tank entirety.
At least one in technical characteristic described in embodiment 2,3,4 and embodiment 1 can also be combined to form new embodiment by the present invention.
It should be noted that above-described embodiment, be not used for limiting protection scope of the present invention, equivalents done on the basis of technique scheme or the alternative scope all falling into the claims in the present invention and protect.
Claims (8)
1. the ICV structure of fuel tank, is characterized in that, described ICV structure comprises valve body, and described valve body lower end is connected with boiler check valve, and the upper end of described valve body is provided with sebific duct coupling end, and described valve body is provided with U-type groove.
2. the ICV structure of fuel tank according to claim 1, is characterized in that, described valve body is provided with face of weld, and described face of weld is provided with protruding weld bond.
3. the ICV structure of fuel tank according to claim 2, is characterized in that, the end face of described U-type groove and side are provided with protruding weld bond.
4. the ICV structure of the fuel tank according to Claims 2 or 3, is characterized in that, described protruding weld bond is set to helicitic texture.
5. the ICV structure of fuel tank according to claim 4, is characterized in that, the material of described valve body, boiler check valve, sebific duct coupling end is POM, PA, PPA, and wherein the outermost layer of valve body and sebific duct coupling end is PE.
6. the fuel tank forming method of ICV structure described in any one of claim 1-5 is set, it is characterized in that, said method comprising the steps of:
1) blanking, the plasticizing parison of two panels melting respectively blanking in two gaps that preforming template and two mold halves are formed;
2) preforming, in preform process, two mold halves and preforming mould plate closing, high pressure blowing simultaneously or the preforming of vacuum forming parison; Make the parison of melting be close to the die cavity inwall of mold halves, begin to take shape inner wall of oil tank;
3) ICV structure and inner wall of oil tank is fixing;
4) two mold halves first times open;
5) in the middle of, preforming template exits in the middle of mold halves,
6) mould secondary closes, and carries out high pressure blowing, the hollow box body of final molding band ICV simultaneously;
7) two mold halves second time are opened, and shift out the hollow box body with built-in ICV of final molding.
7. the fuel tank forming method of ICV structure according to claim 6, is characterized in that, the middle preforming template described in described step 1) is provided with ICV, ICV built-in mechanism and drives cylinder or the hydraulic actuating cylinder of ICV motion; Described mold halves is provided with stamp pin, copper insert and copper insert pedestal, described stamp pin is positioned in the middle of two copper inserts, and described copper insert is arranged on copper insert pedestal.
8. the fuel tank forming method of ICV structure according to claim 7, is characterized in that, comprises the following steps in described step 3): 31) be positioned at the ICV position in the stamp needle-penetration molten parison in mold halves, pierce through perforate; 32) the ICV built-in mechanism in the middle of in preforming template by the interoperation of cylinder or hydraulic actuating cylinder by ICV structure installment in the parison perforate of stamp needle-penetration, realize the preliminary welding of ICV end face and parison; 33) by the U-lag of the copper insert jacking ICV structure on mould, the parison material being in molten condition is extruded further and is adjacent on the protruding weld bond of ICV, thus realize molten parison and the better heat seal strength of ICV; 34) welding of parison and ICV completes, and stamp pin, copper insert and ICV installed with built-in component mechanism all reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510596807.0A CN105109329A (en) | 2015-09-18 | 2015-09-18 | ICV structure of fuel tank and forming method of fuel tank of ICV structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510596807.0A CN105109329A (en) | 2015-09-18 | 2015-09-18 | ICV structure of fuel tank and forming method of fuel tank of ICV structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105109329A true CN105109329A (en) | 2015-12-02 |
Family
ID=54657533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510596807.0A Pending CN105109329A (en) | 2015-09-18 | 2015-09-18 | ICV structure of fuel tank and forming method of fuel tank of ICV structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105109329A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142916A (en) * | 2019-05-30 | 2019-08-20 | 亚普汽车部件股份有限公司 | Ducted body auxiliary welding tool and ducted body forming method |
| CN110217097A (en) * | 2019-06-23 | 2019-09-10 | 亚普汽车部件股份有限公司 | A kind of fuel storage box inner wall welding structure and storage box production method |
| CN113653878A (en) * | 2016-06-03 | 2021-11-16 | 亚普汽车部件股份有限公司 | Blow needle component matched with joint component and hollow box body forming method provided with blow needle component |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010064475A1 (en) * | 2008-12-02 | 2010-06-10 | 株式会社パイオラックス | Check valve |
| CN101734144A (en) * | 2008-11-26 | 2010-06-16 | 百乐仕株式会社 | Fuel tank check valve |
| JP2010173499A (en) * | 2009-01-30 | 2010-08-12 | Toyoda Gosei Co Ltd | Check valve and saddle type fuel tank equipped with check valve |
| CN102056727A (en) * | 2008-06-11 | 2011-05-11 | 考特克斯·特克斯罗恩有限公司及两合公司 | Method for producing a fuel tank for a motor vehicle and fuel tank for a motor vehicle |
| CN102135199A (en) * | 2010-01-27 | 2011-07-27 | 丰田合成株式会社 | Check valve |
| CN102490365A (en) * | 2011-12-09 | 2012-06-13 | 亚普汽车部件股份有限公司 | Method for connecting parts to plastic hollow body cavity |
| CN205292270U (en) * | 2015-09-18 | 2016-06-08 | 亚普汽车部件股份有限公司 | ICV structure of fuel tank |
-
2015
- 2015-09-18 CN CN201510596807.0A patent/CN105109329A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056727A (en) * | 2008-06-11 | 2011-05-11 | 考特克斯·特克斯罗恩有限公司及两合公司 | Method for producing a fuel tank for a motor vehicle and fuel tank for a motor vehicle |
| CN101734144A (en) * | 2008-11-26 | 2010-06-16 | 百乐仕株式会社 | Fuel tank check valve |
| WO2010064475A1 (en) * | 2008-12-02 | 2010-06-10 | 株式会社パイオラックス | Check valve |
| JP2010173499A (en) * | 2009-01-30 | 2010-08-12 | Toyoda Gosei Co Ltd | Check valve and saddle type fuel tank equipped with check valve |
| CN102135199A (en) * | 2010-01-27 | 2011-07-27 | 丰田合成株式会社 | Check valve |
| CN102490365A (en) * | 2011-12-09 | 2012-06-13 | 亚普汽车部件股份有限公司 | Method for connecting parts to plastic hollow body cavity |
| CN205292270U (en) * | 2015-09-18 | 2016-06-08 | 亚普汽车部件股份有限公司 | ICV structure of fuel tank |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653878A (en) * | 2016-06-03 | 2021-11-16 | 亚普汽车部件股份有限公司 | Blow needle component matched with joint component and hollow box body forming method provided with blow needle component |
| CN110142916A (en) * | 2019-05-30 | 2019-08-20 | 亚普汽车部件股份有限公司 | Ducted body auxiliary welding tool and ducted body forming method |
| CN110142916B (en) * | 2019-05-30 | 2021-08-17 | 亚普汽车部件股份有限公司 | Hollow body auxiliary welding tool and hollow body forming method |
| CN110217097A (en) * | 2019-06-23 | 2019-09-10 | 亚普汽车部件股份有限公司 | A kind of fuel storage box inner wall welding structure and storage box production method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102056727B (en) | Method for producing a fuel tank for a motor vehicle and fuel tank for a motor vehicle | |
| JP4948600B2 (en) | Molding method of thermoplastic hollow body with built-in parts on the inner surface | |
| CN104477027A (en) | Rigid connection device for connecting upper and lower surfaces in fuel tank and production method of fuel tank | |
| CN100564016C (en) | Fuel system component and manufacture method | |
| US8329082B2 (en) | Procedure for producing hollow bodies of thermoplastic material | |
| KR101590878B1 (en) | Two-sheet blow molding hollow casing moulding method with auxiliary male mould | |
| CN101489815B (en) | Fuel tank | |
| CN105109329A (en) | ICV structure of fuel tank and forming method of fuel tank of ICV structure | |
| CN105365205A (en) | Method for producing hollow bodies from thermoplastic material and device for carrying out the method | |
| KR101453698B1 (en) | Method for the riveted fastening of an accessory | |
| WO2016078516A1 (en) | Rigid connecting device for connecting upper and lower internal surfaces of oil tank and production method for oil tank | |
| CN204354817U (en) | Connect the conducting wire rigid-connecting device of fuel tank internal upper and lower surface | |
| CN102490365A (en) | Method for connecting parts to plastic hollow body cavity | |
| CN102770298A (en) | Fluid receptacle | |
| CN205292270U (en) | ICV structure of fuel tank | |
| CN102837401B (en) | Plastic forming mould having functional module | |
| CN101622118B (en) | Injection molding die | |
| CN104812549A (en) | Method for producing hollow body from thermoplastic material | |
| CN209521257U (en) | A kind of hollow forming die | |
| CN202029378U (en) | Molding device for fuel tank with built-in dashboard | |
| CN113653878A (en) | Blow needle component matched with joint component and hollow box body forming method provided with blow needle component | |
| CN103753799A (en) | Blow molding fuel tank fixing structure and forming method | |
| JP2015093472A (en) | Blow molding method | |
| CN103358558B (en) | A kind of for oil port forming method and preparation facilities in two panels blow molding process | |
| CN110328285B (en) | Hot punching die structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |
|
| RJ01 | Rejection of invention patent application after publication |